a) Arrange the following ions in order of increasing acidity in aqueous solution: Fe3+. Na+, Mn2+. Caz+, Al3+. Sr2+. b) Hydrogen fluoride (HF) acts as an acid in anhydrous sulfuric acid and as a base in liquid ammonia. Give the equations for both the reactions.

Q: 4. Calculate the pH of a salt solution of NH,CI with molar concentration 0.1 M (Kh = 5.71 x 101")

A: Given, The molarity of NH4Cl = 0.1M            Kh = 5.71 × 10-11

Q: What is the pH of a 0.0300 M solution of NaNO2? (K, for HNO2 = 4.00 x 104) %3D O 7.00 O 7.94 8.81…

A:

Q: Calculate the pH of a 0.30M solution of sodium acetate (NaCH3COOo) given that the Ka of acetic acid…

A: Formula for calculating pH of as solution of a salt made from a weak acid and a strong base: pH = 7…

Q: Explain how the oxidation state of group 17 elements affect the acidic strength of their compound

A: The oxidation states of the halogens vary from -1 to +7.  In the Long form of periodic table, the…

Q: In what terms can you express the alkaline strength of pearl ash?

A: Pearl ash is also known as potash, chemically it is potassium carbonate.

Q: What is the pH of a solution with a fluoride concentration of 0.18 M ? The Kb for F– is 1.47×10-11 .

A: pH: It measures hydrogen ion concentration, which helps in a measure the acidity of the solution,…

Q: Calculate the pH of a 0.053 M NaF solution. (Ka for HF = 7.1 x 10−4.)

A: NaF is a salt of strong base (NaOH) and weak acid (HF)

Q: Calculate the pH of a solution of ammonium acctate. Given that: K, - 1.76 x 10, K,- 1.8 x 10 and K,…

A: A salt formed of weak acid and strong base is alkaline in nature and has a pH above 7 while a salt…

Q: What is the pH of a 0.680 M solution of Ca(NO2)2 (Ka of HNO, is 4.5 x 104)?

A:

Q: Complete and balance the following acid-base equations:(a) HCl gas reacts with solid Ca(OH)2(s).(b)…

A: a.

Q: Calculate the pH of a solution that is prepared by dissolving 0.23 mol of hydrofluoric acid (HF) and…

A:

Q: The first step in the preparation of magnesium metal is the precipitation of Mg(OH)2 from sea water…

A: At certain temperature, the mixing property of components is determined by their solubility product…

Q: Why can't both S2- and SO32- be present in the same solution? Explain, and write the equation

A: S2- sulphide ion:  Sulphide  is an inorganic anion of sulfur with the chemical formula S2− or a…

Q: Calculate the pH of a solution containing 0.3 M HCOOH and 0.1 M HCOO (pKa of HCOOH = 3.76)

A: Concentration of HCOOH (Acid) = 0.3 M  Concentration of HCOO- (conjugate base of acid) =  0.1 M  pKa…

Q: Balance the following equation in acidic sln and determine the coefficient of H+ and its location…

A: ___Cr2O72−    +    ___C2H5OH     →            Cr3+    +    ___CO2

Q: A sample of water has a pH of 5.3. The concentration of bicarbonate (HCO3-) in the sample is 190…

A: The concentration of hydrogen ion and hydroxide ion in mg/L is; H+=10-5.3H+=10-5.3 mol/L×1g/mol×1000…

Q: 9 Write the formula of the conjugate acid of a HSO, b CO;?

A: According to Bronsted Lowry Theory , any molecule that donate H+ atom is an acid and any molecule…

Q: The pH of a 0.10 M solution of Ni(NO3)2 is 5.0. Calculate the acid ionization constant of Ni(H 2O)…

A: [Ni(H2O)6]2+ is a Bronsted- Lowry acid. It releases H3O+ in solution.The acid ionization reaction is…

Q: Each day the stomach produces 2.0 L of gastric juice that contains 0.10 M HCl. Phillips Milk of…

A: Given ,  Molarity of HCl (M1) = 0.10 M Volume of HCl (V1) = 0.093 L = 93. mL  Concentration of…

Q: Which of the following are the products of the reaction of a metallic oxide with an acid? a. a…

A: The oxide of an element (M) is formed by the combination of oxygen with the element. Based on the…

Q: 3. Explain the differences in conductivity between: a) aqueous solutions of acetic acid…

A: We have to explain the conductivity  between the  following  solution

Q: Calculate the pH of the following salts solutions: (a)0.25 M NaHCO3. (b) 0.074 M NaH2PO4. (c) 0.1 M…

A: We know the pKa value ofH2CO3 = 6.35H3PO4 pKa1 = 2.12H3PO4 pKa2 = 7.21H2EDTA = 2.7 Now all the given…

Q: The Properties, Reactions and Applications of Oxygen Pick a row in the periodic table and using the…

A: Answer - Periodic table - The periodic table, also known as the periodic table of elements, is a…

Q: The calcium supplements taken by many women are composed primarily of powedered calcium carbonate,…

A: Some compounds or base are helpful in neutralizing excess HCl being produced in stomach. These…

Q: Lithium hypoiodite (LiOl) is the lithium salt of the conjugate base of hypoiodous acid. The Ka for…

A:

Q: A water solution contains 10 mM HCO3 and 0.2 mg/L CO,2-. We also know the solution pH is 8.5. Please…

A: Solution                          Give that  PH = 8.5 Alkalinity It is the ability of substances…

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A: A polyprotic acid contains two or more ionizable hydrogens (protons) per molecule that it can donate…

Q: A weak acid, HA, has pKa=6.2. If a solution of NaA (aq) is prepared, what does the pH of the…

A: The Henderson–Hasselbalch equation relates the pH of a solution containing a mixture of the two…

Q: To oxidize the iron in 1.00 gram of FeSO4·(NH4)2SO4·6 H2O requires 5.00 mL of HNO3. (Fe 2++ NO3― +…

A: The concentration of the solution provides information about the quantity of the substance present…

Q: Carbonic acid, H₂CO₃ is a diprotic acid with Ka1 = 4.3 × 10⁻⁷ and Ka2 = 5.6 × 10⁻¹¹. What is the pH…

A: Given : Concentration of H2CO3 = 0.33 M Ka1 of H2CO3 = 4.3 X 10-7  And Ka2 of H2CO3 = 5.6 X 10-11…

Q: What is the pH of a solution with a fluoride concentration of 0.20 M ? The Kb for F– is 1.47×10-11 .

A: In order to find the pH of the solution we first write down the given data: Fluoride concentration=…

Q: Part II. Arrange the following compounds in order of increasing basicity. 7. NazO, Rb2O, K2O 8.…

A: Ans. Part II Arrangement of the given compounds in order of increasing basicity: (7)  Na2O <…

Q: Phenoxide ion (C,HsO) is a weak base, with Kp = 7.70 x 10. Calculate the pH of a 0.50 M aqueous…

A: Given that  Kb = 7.70 × 10-5  Peroxide ion is a weak base

Q: Fill in the left side of this equilibrium constant equation for the reaction of nitrous acid (HNO,)…

A:

Q: Find the pH of a 0.381 M aqueous solution of hypobromous acid (HOBr), for which Ka = 2.1 * 10-⁹.…

A:

Q: 20 The figure below shows dry hydrogen gas is passed over a powdered oxide of powdered X dry…

A: Reaction of dry Hydrogen with powdered metal oxide is as follows: H2+ XO→X+H2O . So, the products…

Q: Calculate the molar concentration of OH- in a 0.724 M solution of hypobromite ion 1BrO-; Kb = 4.0 *…

A: Since the BrO- will get hydrolysed by water as per the reaction => BrO- (aq) + H2O (l)…

Q: Indicate the type of oxide (acidic, basic or amphoteric) that best describes each of the following…

A:

Q: Aqueous solutions of aluminum ions Al^3+ are acidic while those of carbonate CO3^-2 are basic why?

A:

Q: The first step in purifying the urine collected on the ISS is to treat every liter of urine with 20…

A: #(a): H2SO4 is a diprotic acid. The dissociation equations are: H2SO4(aq) ----> HSO4-(aq) +…

Q: Calculate the concentration of all ions present in each of the following solutions of strong ele a.…

A:

Q: The K, for hypoiodite anion (IO) is 4.35x10-4. What is the pH of a 0.226 mol L solution of lithium…

A:

Q: How many moles of hydroxide ions can be released into solution from 1.00 mg of Mg(OH)2 that is used…

A: Molar mass of Mg(OH)2 = 58.32 g/mol Given mass = 1 mg = 0.001g Moles = 0.001/58.32 = 1.71*10-5

Q: A 0.100 M solution of HOBr has a pH of 5.343. What is Ka for HOBr?

A: Ka is the dissociation constant of an acid. It measures the strength of an acid.

Q: Give’ TWO large scale uses each, of sulphuric acid and nitric acid

A: Sulphuric acid has the formula H2SO4. It is commonly used chemical in industry which is prepared by…

Q: how change in pH changes the colour of K2Cr2O7?

A:

Q: A solution containing two alkaline earth metals ions is made from 0.050 M BaCl2 and 0.025 M CaCl2.…

A: The question is based on the concept of solubility product Principle.   it states that a weak…

Q: Of the hydrogen halides, only HF is a weak acid. Give a possible explanation.

A: Acidity of acid depends on stability of conjugate base. And also how much easily acid undergoes…

Q: Calculate the pH of a 0.67 M solution of sodium nitrite (NANO,). K, (HNO2) =4.6 x 104 8.58 8.01 9.56…

A: pH of 0.67 M NaNO2 solution ( Ka of HNO2 = 4.6 X 10-4 )    First, write the equation for the…